:root{--orange:#FF5500;--orange-ink:#A8390A;--blue:#155CC3;--ink:#182230;--muted:#475467;--line:#D5DFEB;--radius:22px;--ease:cubic-bezier(.4,0,.2,1);--orange-hover:#FF6724;--orange-tint-rgb:255,85,0;--blue-ink:#104A9F;--blue-rgb:21,92,195;--canvas-warm:#F7F9FC;--canvas-cool:#F2F6FA;--surface-warm:#FCFDFF;--surface-cool:#F3F6FA;--surface-warm-rgb:252,253,255;--surface-cool-rgb:243,246,250;--heading-emphasis:#182230;--control-line:#7C8DA5;--shadow:0 8px 24px -18px rgba(24,34,48,.18)}
    *,*::before,*::after{box-sizing:border-box}
    html{scroll-padding-top:94px}
    body{margin:0;padding-top:70px;color:var(--ink);font:16px/1.9 system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--canvas-warm);overflow-wrap:anywhere}
    h2,h3,p,ul,ol{margin:0}ul,ol{padding:0;list-style:none}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}a,button{-webkit-tap-highlight-color:transparent}svg{display:block;flex-shrink:0;aspect-ratio:1}
    [hidden]{display:none!important}:focus-visible{outline:3px solid var(--blue);outline-offset:5px;border-radius:5px}::selection{background:rgba(var(--orange-tint-rgb),0.1300);color:var(--ink)}
    .container{width:min(1200px,calc(100% - 64px));margin-inline:auto}.container-narrow{width:min(1200px,calc(100% - 64px));margin-inline:auto}.svg-library{position:absolute;width:0;height:0;overflow:hidden}
    .skip-link{position:fixed;z-index:100;top:10px;left:16px;padding:10px 18px;background:#EDF3FD;transform:translateY(-160%)}.skip-link:focus{transform:none}
    .site-header{position:fixed;inset:0 0 auto;z-index:30;height:70px;border-bottom:1px solid var(--line);background:var(--surface-warm);backdrop-filter:none;-webkit-backdrop-filter:none;}
    .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}.brand-logo{display:inline-flex;align-items:center;gap:10px;min-height:44px;font-size:22px;font-weight:800;letter-spacing:-.8px;white-space:nowrap}.brand-logo svg{width:40px;height:40px}
    .main-navigation{display:flex;align-items:center;gap:32px;height:100%;font-size:14px;font-weight:650}.main-navigation a{position:relative;display:flex;align-items:center;min-height:44px}.main-navigation [aria-current="page"]{color:var(--orange-ink)}.main-navigation [aria-current="page"]::after{content:"";position:absolute;bottom:0;left:calc(50% - 9px);width:18px;height:3px;border-radius:3px;background:var(--orange)}
    .main-navigation a:hover,.brand-logo:hover,.footer-links-grid a:hover{color:var(--orange-ink)}.menu-toggle{display:none;place-items:center;width:44px;height:44px;padding:0;border:0;border-radius:12px;background:rgba(var(--orange-tint-rgb),0.0520)}
    .legal-section{position:relative;isolation:isolate;padding:28px 0 76px}.legal-section::before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:none;}
    .breadcrumb{display:flex;align-items:center;gap:10px;min-height:44px;margin-bottom:25px;color:var(--muted);font-size:12px}.breadcrumb a{display:inline-flex;align-items:center;min-height:44px}.breadcrumb a:hover{color:var(--orange-ink)}.breadcrumb svg{width:12px;height:12px;color:var(--orange)}
    .document-header{position:relative;min-height:340px;padding:35px 36px 29px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-warm);box-shadow:var(--shadow);overflow:hidden}
    .document-header::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--orange);}
    .document-kicker{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:54px;margin-bottom:21px}.document-symbol{display:grid;place-items:center;width:54px;height:54px;border:1px solid rgba(var(--orange-tint-rgb),0.1300);border-radius:17px;color:var(--orange);background:rgba(var(--orange-tint-rgb),0.0488)}.document-symbol svg{width:29px;height:29px}.document-code{font-size:10px;line-height:1.8;font-weight:700;letter-spacing:1.6px;color:var(--orange-ink);text-align:right}.document-code span{display:block;font-size:11px;letter-spacing:.7px;color:var(--muted)}
    .eyebrow{color:var(--orange-ink);font-size:11px;font-weight:750;letter-spacing:2px}.document-title{max-width:17em;margin:11px 0 14px;font-size:clamp(29px,4.1vw,37px);line-height:1.42;font-weight:850;letter-spacing:-1px}.document-title span{color:var(--heading-emphasis)}
    .document-meta-info{display:flex;flex-wrap:wrap;gap:4px 16px;min-height:28px;color:var(--muted);font-size:12px;line-height:1.9}.document-intro{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.95}
    .scope-note{margin:19px 0 24px;padding:17px 20px;border-left:3px solid var(--orange);border-radius:0 12px 12px 0;background:var(--surface-cool);font-size:13px;line-height:1.95;border-color:var(--line);box-shadow:none;}.scope-note strong{color:var(--orange-ink);font-weight:750}.scope-note a{text-decoration:underline;text-decoration-color:currentColor;text-underline-offset:4px;color:var(--blue);}.scope-note a:hover{color:var(--orange-ink)}
    .document-toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;min-height:44px;margin-bottom:13px;color:var(--muted);font-size:11px}.document-toolbar p{display:flex;align-items:center;gap:7px}.document-toolbar p::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--orange)}.print-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;flex:none;min-height:44px;padding:8px 12px;border:1px solid rgba(var(--orange-tint-rgb),0.1235);border-radius:9px;background:rgba(var(--orange-tint-rgb),0.0358);color:var(--orange-ink);font-size:12px;font-weight:650}.print-button:hover{color:var(--orange-ink);border-color:var(--orange)}
    .document-toc{margin-bottom:25px;padding:19px 22px;border:1px solid rgba(var(--orange-tint-rgb),0.0975);border-radius:17px;background:var(--surface-cool);border-color:var(--line);box-shadow:none;}.toc-label{display:block;margin-bottom:8px;font-size:11px;font-weight:750;letter-spacing:1px;color:var(--muted)}.document-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px 22px}.document-toc a{display:flex;align-items:center;gap:9px;min-height:44px;font-size:13px;font-weight:650}.document-toc a span{color:var(--orange-ink);font-size:11px;font-variant-numeric:tabular-nums}.document-toc a:hover{color:var(--orange-ink)}
    .legal-card-group{display:grid;gap:22px}.legal-card{position:relative;padding:30px 32px 25px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-warm);box-shadow:var(--shadow);scroll-margin-top:94px}.legal-card:nth-child(even){background:var(--surface-warm);border:1px solid var(--line);box-shadow:var(--shadow);}
    .chapter-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:5px 12px;min-height:23px;margin-bottom:15px;font-size:10px;font-weight:700;letter-spacing:1.2px;color:var(--muted)}.chapter-meta span:first-child{color:var(--orange-ink)}
    .legal-card h3{position:relative;margin-bottom:20px;padding-left:17px;font-size:21px;line-height:1.65;font-weight:800;letter-spacing:-.4px}.legal-card h3::before{content:"";position:absolute;inset:6px auto 6px 0;width:4px;border-radius:99px;background:var(--orange)}
    .legal-card p{font-size:15px;line-height:2.05}.legal-card p+p{margin-top:16px}.legal-card strong{color:var(--orange-ink);font-weight:750}.technical-term{color:var(--blue);font-weight:650;text-decoration:underline;text-decoration-color:rgba(var(--blue-rgb),0.1400);text-underline-offset:5px}
    .legal-card .key-point{margin-top:19px;padding:13px 16px;border:1px solid rgba(var(--orange-tint-rgb),0.1105);border-radius:11px;background:var(--surface-cool);color:var(--orange-ink);font-size:13px;line-height:1.95;border-color:var(--line);box-shadow:none;}.legal-card .key-point::before{content:"阅读要点";display:block;margin-bottom:3px;font-size:10px;font-weight:800;letter-spacing:1px;color:var(--orange-ink)}
    .legal-card .chapter-source{display:flex;align-items:center;flex-wrap:wrap;gap:4px 15px;margin-top:21px;padding-top:13px;border-top:1px solid var(--line);color:var(--muted);font-size:11px;line-height:1.9}.chapter-source>span{font-size:10px}.chapter-source a{display:inline-flex;align-items:center;min-height:38px;text-decoration:underline;text-decoration-color:currentColor;text-underline-offset:4px;color:var(--blue);}.chapter-source a:hover{color:var(--orange-ink)}
    .document-end{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:7px 18px;margin:23px 0 25px;padding-inline:3px;color:var(--muted);font-size:11px;line-height:1.9}.document-end a{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--orange-ink)}.document-end a:hover{color:var(--orange-ink)}
    .rights-panel{padding:24px 26px;border:1px solid rgba(var(--orange-tint-rgb),0.1300);border-radius:18px;background:var(--surface-cool);border-color:var(--line);box-shadow:none;}.rights-panel strong{display:block;margin-bottom:7px;font-size:16px}.rights-panel p{color:var(--muted);font-size:13px;line-height:1.95}.rights-links{display:flex;flex-wrap:wrap;gap:5px 18px;margin-top:10px}.rights-links a{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:12px;font-weight:700;color:var(--orange-ink)}.rights-links a:hover{color:var(--orange-ink)}
    .site-footer{padding:43px 0 24px;border-top:1px solid var(--line);background:#EDF2F7;}.footer-top{display:grid;grid-template-columns:1fr 1.25fr;gap:65px;margin-bottom:29px}.footer-brand>p{margin-top:12px;color:var(--muted);font-size:12px;line-height:1.9}.footer-links-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-links-grid h3{margin-bottom:9px;color:var(--orange-ink);font-size:13px}.footer-links-grid a{display:flex;align-items:center;min-height:40px;color:var(--muted);font-size:12px}.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px 22px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:10px;line-height:1.9;align-items:center;}
    @media(max-width:1000px){.main-navigation{gap:22px}.footer-top{gap:35px}}
    @media(max-width:760px){.container{width:calc(100% - 40px)}.container-narrow{width:calc(100% - 40px)}.brand-logo{font-size:20px}.brand-logo svg{width:36px;height:36px}.menu-toggle{display:grid}.main-navigation{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;height:auto;padding:16px 20px 22px;gap:4px;background:var(--surface-warm);border-bottom:1px solid var(--line);box-shadow:0 16px 30px rgba(var(--orange-tint-rgb),0.0585)}.main-navigation.is-open{display:flex}.main-navigation a{min-height:46px;padding:8px 14px}.main-navigation [aria-current="page"]::after{left:auto;right:14px;bottom:20px}.legal-section{padding:22px 0 48px}.breadcrumb{margin-bottom:18px}.document-header{padding:27px 25px 25px;min-height:360px}.document-title{font-size:31px}.document-intro{font-size:14px}.document-meta-info{font-size:11px}.scope-note{padding:15px 17px}.legal-card{padding:26px 25px 22px}.legal-card h3{font-size:20px}.legal-card p{font-size:16px;line-height:2}.document-toc{padding:16px 20px}.document-toc ol{gap:2px 16px}.document-toc a{font-size:12px}.footer-top{grid-template-columns:1fr;gap:28px}.footer-links-grid{gap:18px}}
    @media(max-width:480px){.document-header{padding:24px 21px;min-height:400px}.document-title{font-size:29px;letter-spacing:-.7px}.document-code{font-size:9px;letter-spacing:1px}.document-symbol{width:49px;height:49px;border-radius:15px}.eyebrow{font-size:10px;letter-spacing:1.4px}.document-kicker{margin-bottom:19px}.document-toc ol{grid-template-columns:1fr}.document-toc a{font-size:13px;min-height:45px}.legal-card{padding:23px 21px 19px}.legal-card h3{font-size:19px;padding-left:15px}.legal-card-group{gap:18px}.legal-card .key-point{padding:12px 14px}.document-toolbar{gap:10px}.document-toolbar>p{font-size:10px}.rights-panel{padding:22px}.scope-note{font-size:12px}}
    @media(max-width:380px){.container,.container-narrow{width:calc(100% - 32px)}.document-header{padding:22px 19px}.document-title{font-size:27px}.document-meta-info{gap:4px 10px}.document-intro{font-size:13px}.document-code span{font-size:10px}.legal-card{padding:22px 18px 18px}.legal-card h3{font-size:18px}.legal-card p{font-size:15px;line-height:2.05}.chapter-meta{font-size:9px;letter-spacing:.7px}.footer-links-grid{gap:12px}.footer-links-grid a,.footer-links-grid h3{font-size:11px}.print-button{padding-inline:9px;font-size:11px}}
    @media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}
    @media print{body{padding-top:0;font-size:11pt;background:var(--surface-warm)}.site-header,.site-footer,.skip-link,.breadcrumb,.document-toolbar,.document-toc,.rights-panel,.document-end a{display:none!important}.legal-section{padding:0}.container-narrow{width:100%;max-width:none}.document-header{min-height:0;padding:20px;border-radius:0;box-shadow:none}.document-kicker{margin-bottom:12px}.document-title{font-size:24pt}.document-header,.scope-note,.legal-card{break-inside:avoid}.legal-card{box-shadow:none;border-radius:0;padding:20px}.legal-card p{font-size:11pt}.legal-card-group{gap:16px}.chapter-source{font-size:9pt}.scope-note{font-size:10pt}.document-meta-info{font-size:10pt}}
  
    a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
    .main-navigation [aria-current="page"]{color:var(--ink);font-weight:800}